1 | Narrator | | Protagonist. A man with insomnia. |
| Tyler | Durden | Movie projectionist. The narrator's best friend. |
| | | Project Mayhem - People
training to bring down civilization. |
| Marla | Singer | The girl the narrator and Tyler's in love with. |
2 | Bob | | Narrator's friend from Remaining Men Together support group. |
| Art | | Member of the Remaining Men Together support group. |
| Paul | | Member of the Remaining Men Together support group. |
| Alice | | Member of the first support group the narrator attended. |
| Brenda | | Member of the first support group the narrator attended. |
| Dover | | Member of the first support group the narrator attended. |
| Chloe | | The little skeleton woman who seduced the narrator. |
4 | Glenda | | Chloe's sister. |
5 | The Security | Guy | The man who confronts the narrator in the airport. |
| The | Doorman | Hotel doorman. |
6 | Ellen | | Microsoft consultant. The narrator's colleague. |
| Walter | | Member of the Fight Club. The narrator's colleague. |
| Nobert | | The narrator's colleague. |
| Linda | | The narrator's colleague. |
| | | Fight Club - A secret group the narrator and Tyler formed. |
| The | Boss | The narrator's boss. |